CN109168776B

CN109168776B - Prevent empting vegetation experiment frame device of preventing removing

Info

Publication number: CN109168776B
Application number: CN201811061725.6A
Authority: CN
Inventors: 江兴方; 江鸿; 孙靖圻
Original assignee: Changzhou University
Current assignee: Changzhou University
Priority date: 2018-09-12
Filing date: 2018-09-12
Publication date: 2020-10-27
Anticipated expiration: 2038-09-12
Also published as: CN109168776A

Abstract

The utility model provides a prevent empting vegetation experiment frame device of preventing removal includes the plastic slab, hollow plastic bar, the connecting rod, self-lock device and convex hollow plastic tubing are constituteed, wherein the connecting rod passes through the hole on hollow plastic bar and the plastic slab angle, the connecting rod both ends are connected the multilayer plastic slab with the nut and are fixed together, connecting rod lower extreme installation self-lock device, self-lock device utilizes lever principle, the fulcrum is located the connecting rod lower extreme, the lasso can be sheathe in to the lever upper end among the self-lock device, the fixed rubber piece of lever lower extreme, after the lasso is sheathe in to the lever upper end, the rubber piece of lever lower extreme grabs ground, form very firm self-lock device with the connecting rod, if will remove, as long as with the. The device has simple structure, flexible starting and self-selling and good repeatability.

Description

Prevent empting vegetation experiment frame device of preventing removing

Technical Field

The invention belongs to a scientific education experiment device, and discloses a multilayer plant growth experiment frame manufactured based on optical, electric and mechanical structures.

Background

Due to the expansion of the urban scale, children need to see the growth of plants in a plant garden, but can only see the growth condition at a certain moment once, and cannot know the whole process of a certain plant, the plant growth experiment rack can help the children to observe the growth of the plants every day in schools, the plant growth experiment rack on the market at present is formed by combining a plurality of layers of plastic plates and a plurality of plastic rods to form an indoor multilayer plant growth experiment rack, and a spray switch is used for watering the plants in consideration of the water requirement of the plants; there is a small fluorescent lamp for light supplement. Such devices are well received by primary and middle school students in cities. However, the device has the problem of insufficient mechanical performance, and a plant growth experiment frame for preventing toppling and moving needs to be designed; meanwhile, the safety problem of electricity and water mixed use exists, and a plant growth experiment frame for safely using electricity and water needs to be designed and protected in another patent.

Disclosure of Invention

The invention solves the problem of preventing toppling and moving of the plant growth experiment frame.

The technical scheme adopted by the invention for solving the technical problems is as follows:

the technical conception is as follows: (a) the plant growth experiment frame is composed of a plurality of layers of plastic plates, four corners of each plastic plate are vertically connected through hollow plastic rods, a solid rod penetrates through the hollow plastic rod on the uppermost layer and is connected to the base, and two ends of the solid rod are screwed and fixed through screw caps and are not prone to toppling; (b) a self-locking device is additionally arranged on each of the 4 feet of the base. When the mechanical device is pressed down, a piece of rubber is close to the ground, and when the self-locking device is used for all 4 feet, the 4 feet are fixed with the ground and cannot move; (c) the connecting rod is made of round steel and is coated with resin, so that the connecting rod is rust-proof and firm; (d) the device below each foot of 4 feet below the base is a lever ferrule device, when one end of a lever is pulled, the ferrule is sleeved, one foot is locked, and when the 4 feet are locked, the whole device cannot move.

The invention of the device is as follows: a plant growth experiment frame capable of preventing toppling and moving.

The beneficial effect of this patent is: the device has the characteristics of preventing toppling and moving, and the plant growth experiment frame capable of preventing toppling and moving moves the test field into a campus and enters a classroom, so that the device is environment-friendly and saves land. If 10 sets of devices are purchased by each primary and secondary school, the profit of each set of devices is calculated by 500 yuan, and the profit reaches 13 billion if 26 thousands of primary and secondary schools are purchased in the country.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 front view of an anti-toppling and anti-shifting device

FIG. 2 side view of an anti-tip and anti-migration device

Figure 3 plastic plate

FIG. 4 connecting rod end assembly view

FIG. 5 is a sectional view of the hollow plastic rod assembly

FIG. 6 is a view of the base self-locking device

In the figure, 1, a plastic plate, 1A, a hole in the plastic plate, 2, a circular arc-shaped hollow plastic pipe, 3, an upper rod end of a connecting rod, 4, a nut, 5, a hollow plastic rod, 5A, a finger opening of the hollow plastic rod, 6, the connecting rod, 7, a self-locking device, 7A, an upper end of a lever, 7B, a ferrule, 7C, a fulcrum of the lever, 7D, a lower end of the lever, 7E, a rubber block and 8, a lower rod end of the connecting rod.

Detailed Description

In fig. 1, the anti-toppling and anti-moving plant growth experiment frame device comprises a plastic plate (1), a hollow plastic rod (5), a connecting rod (6), a self-locking device (7) and a circular arc hollow plastic pipe (2). Wherein the connecting rod (6) passes through the holes (1A) on the plastic plates at four corners of the plastic plate (1) and penetrates through the hollow plastic rod (5), the two ends of the connecting rod (6) are fixed with the plastic plate (1) through nuts (4), and the lower rod end (8) of the connecting rod is connected with the self-locking device (7).

In figure 2, two ends of a circular arc-shaped hollow plastic pipe (2) are sleeved on the upper rod end (3) of the connecting rod to cover the upper rod end (3) of the connecting rod and a nut (4), and two ends of a hollow plastic rod (5) are connected with the upper and lower layers of plastic plates (1) through holes (1A) in the plastic plates.

In fig. 3, the plastic plate (1) has holes (1A) in the plastic plate at the four corners.

In fig. 4, there are holes (1A) on the plastic slab on four angles of plastics (1) for wear connecting rod (6), rod end (3) all have the spiral under connecting rod on the connecting rod and rod end (8), can overlap and revolve nut (4), and nut (4) are passed through at connecting rod (6) both ends and are fixed with plastic slab (1).

In fig. 5, the axial cross-section shows that the hollow plastic rod (5) has hollow plastic rod finger openings (5A) at the top and bottom to be inserted into the holes (1A) of the plastic plate, and at the same time, the connecting rods (6) pass through the hollow plastic rod (5) through the holes (1A) of the plastic plate at the four corners of the plastic plate (1).

In fig. 6, a screw is arranged at the lower rod end (8) of the connecting rod, a nut (4) can be sleeved and screwed, two ends of the connecting rod (6) are fixed with the plastic plate (1) through the nut (4), the lower rod end (8) of the connecting rod is connected with a self-locking device (7), wherein the self-locking device (7) comprises an upper lever end (7A), a ferrule (7B), a lever fulcrum (7C), a lower lever end (7D) and a rubber block (7E), wherein the lever fulcrum (7C) penetrates through the lower rod end (8) of the connecting rod through a sheath, the ferrule (7B) can move up and down, when the upper lever end (7A) is tightened, the rubber block (7E) supports the ground, self-locking is achieved, and when the ferrule is loosened (7B; the lever lower end (7D) can also be tightened when the loop (7B) is also self-locked, and the self-locking is released when the loop (7B) is loosened.

The successful example is a plant growth experiment frame device which can prevent toppling and moving and consists of a plastic plate (1), a hollow plastic rod (5), a connecting rod (6), a self-locking device (7) and a circular arc hollow plastic pipe (2), wherein the connecting rod (6) is connected and fixed with the holes (1A) on the plastic plate corners through the hollow plastic rods (5), the two ends of the connecting rod (6) are fixedly connected with the multilayer plastic plates (1) through nuts (4), the lower end of the connecting rod is provided with a self-locking device (7), the self-locking device (7) utilizes the lever principle, a fulcrum (7C) is positioned at the lower end of the connecting rod, a ferrule (7B) can be sleeved at the upper end (7A) of the lever in the self-locking device, and a rubber block (7E) is fixed at the lower end (7D) of, after the upper end (7A) of the lever is sleeved with the ferrule, the rubber block at the lower end (7D) of the lever grabs the ground to form a self-locking device (7) with the connecting rod (6).

The size of the plastic plate (1) is 60cm multiplied by 40cm, the diameter of a hole (1A) on the plastic plate is 1.5cm, the thickness of the plastic plate is 0.15cm, the height of the side surface is 2cm after the periphery is formed, plants can be piled in the middle concave part, the outer diameter of the circular arc-shaped hollow plastic pipe (2) is 2.0cm, the outer diameter is 1.8cm, the arc radius is 20cm, the inner diameter of the hollow plastic rod (5) is 1.3cm, the outer diameter is 1.7cm, the inner diameter of the hollow plastic rod finger opening (5A) is 1.3cm, the outer diameter is 1.5cm, the wall thickness is 0.1cm, the height of the hollow plastic rod finger opening (5A) is 0.8cm, the height of the hollow plastic rod (5) and the hollow plastic rod finger opening (5A) is 21.6cm, the upper finger opening of the hollow plastic rod (5) can support the plastic plate (1), the lower finger opening of the hollow plastic rod (5) can be inserted into the hole of the plastic plate (1) and is also used for fixing, when the connecting rod (, thus, after nuts (4) are screwed on four corners of a plastic plate (1) through two ends of a connecting rod (6), twelve hollow plastic rods (5) and four connecting rods (6) form a whole on four corners of a four-layer plastic plate (1), the connecting rod (6) is formed by coating resin outside a solid steel bar with the diameter of 1cm, the length of the solid steel bar is 95cm, a spiral is arranged at the upper rod end (3) of the connecting rod, the nut (4) can be sleeved, a spiral is arranged at the lower rod end (8) of the connecting rod, the nut (4) can be sleeved, the two nuts are fixed with the hollow plastic rods (5) of the plastic plate (1) together after being screwed, the lowest end of the lower rod end (8) of the connecting rod is 8cm away, a hole is arranged perpendicular to the connecting rod (6), the hole is used as a lever fulcrum (7C) through a sheath, the upper end (7A) of the lever can be tightened with a ferrule (7B), and a rubber block (7E) connected, and the lower rod end (8) of the connecting rod forms a self-locking device (7), when the self-locking devices (7) of four legs of the device are all used, the device is prevented from moving, and if the lock device is to be released, the ferrule (7B) is only required to be pulled downwards.

The invention skillfully utilizes the principle that the lever principle and the rubber grounding increase friction coefficient principle to prevent movement, the connected metal rod is penetrated in the holes of the hollow plastic rod and the plastic plate, and the two ends are screwed and fixed by the nuts to prevent toppling. The device has simple structure, and is firm and reliable.

The foregoing is merely a preferred embodiment of the invention and is not intended to limit the invention in any manner. Those skilled in the art can make numerous possible variations and modifications to the present invention, or modify equivalent embodiments, using the methods and techniques disclosed above, without departing from the scope of the invention. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention are still within the scope of the protection of the technical solution of the present invention, unless the contents of the technical solution of the present invention are departed.

Claims

1. The utility model provides a prevent empting vegetation experimental frame device of preventing removing, characterized by: the plastic plate self-locking device comprises a plastic plate, a hollow plastic rod, a connecting rod, a nut, a self-locking device and a circular arc-shaped hollow plastic pipe, wherein the connecting rod passes through holes in corners of the hollow plastic rod and the plastic plate, the two ends of the connecting rod are fixedly connected with the multilayer plastic plate through the nut, the self-locking device is installed at the lower end of the connecting rod, the self-locking device utilizes the lever principle, a supporting point is located at the lower end of the connecting rod, a sleeve ring is sleeved on the upper end of a lever in the self-locking device, a rubber block is fixed at the lower end of.

2. The anti-toppling and anti-moving plant growth experimental frame device according to claim 1, it is characterized in that the plastic board is rectangular, holes are arranged on four corners of the plastic board and used for a hollow plastic rod to penetrate through, finger openings are arranged at two ends of the hollow plastic rod, namely, the inner diameters of the finger openings at the upper end and the lower end of the hollow plastic rod are the same as the inner diameter of the hollow plastic rod, but the outer diameter of the finger opening is 4 mm smaller than the outer diameter of the hollow plastic rod, the aperture of the holes at the four corners of the plastic plate is the same as the outer diameter of the finger opening of the hollow plastic rod, the upper finger opening of the hollow plastic rod can support the plastic plate, the lower finger opening of the hollow plastic rod is inserted into the hole of the plastic plate for fixing, when the connecting rod is inserted into the hollow plastic rod, and the two ends are screwed by nuts, so that after the nuts are screwed on the four corners of the plastic plate through the two ends of the connecting rod, twelve hollow plastic rods and four connecting rods are arranged at four corners of the four layers of plastic plates to form a whole.

3. The anti-toppling and anti-shifting plant growth experimental frame device as claimed in claim 1, wherein the self-locking device is characterized in that a hole is formed in each connecting rod at a position eight centimeters away from the ground and perpendicular to the connecting rods to serve as a fulcrum of the lever, a loop is sleeved on the upper end of the lever, a rubber block is fixed on the lower end of the lever, after the loop is sleeved on the upper end of the lever, the rubber block on the lower end of the lever catches the ground, the lower ends of the four connecting rods and the rubber blocks on the lower ends of the four levers form a stable ground locking device, and if the locking device is to be unlocked, the loop is.